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1Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia
CBS Hotel Angelo King International Center, Manila22 August 2011
PERLA J. DELOS REYESOfficer-In-Charge & Supervising Science Research Specialist
Geology & Geophysics Research and Development Division (GGRDD)Philippine Institute of Volcanology and Seismology (PHIVOLCS)
Department of Science and Technology (DOST)
126/8/2011
The geographic and geologic setting of the Philippines make it prone to various hazards, including:
Guinsaugon, St. Bernard
1990 Luzon Earthquake
typhoon/rain-related volcano-related
Mayon Volcano, 19931994 Mindoro Tsunami
(22 active volcanoes)
earthquake-related(20 events recorded/day,90 damaging earthquakesfor past 400 years)
Tsunami(~40 events for past 400 years)
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Predict the occurrence of volcanic eruptions and earthquakes
Determine how eruptions and earthquakes shall occur and areas likely to be affected
Generate sufficient data for forecasting of volcanicGenerate sufficient data for forecasting of volcanic eruptions and earthquakes
Mitigate hazards of volcanic activities through detection, forecast and warning systems
Formulate appropriate disaster preparedness plans
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Earthquake Generators: Active Faults and Trenches
Active Faults &Active Faults &TrenchesTrenches
Philippine seismicity 1600s to Philippine seismicity 1600s to presentpresent
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Active, Inactive and Potentially Active Volcanoes
Pinatubo Taal Kanlaon Mayon
Bulusan Hibok-Hibok Matutum* Parker*
~300 volcanoes, 22 active
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
PREDICTION SYSTEM
MONITORING SYSTEM
NATURAL HAZARDS
Installation of monitoring instrumentsHazard and Risk Mitigation
Eruptions
RESPONSE SYSTEM
Hazard information dissemination; mainstreaming of risk reduction into local dev. Planning process (REDAS); Tsunami CBEWS
Mapping & hazard assessment
Evacuation Map Tsunami Drill
Ground Rupture due to Earthquake
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2 Volcanic and seismic hazards mapping and risk assessment
Active fault mapping and paleoseismic studies
Study of tectonic uplift and subsidence of marine deposits
Global Positioning System
Research and Development ProgramsVolcano Hazard Map Sampling
StratigraphicHazard Map
Ground rupture Global Positioning System (GPS) for active faults and volcanoes
Tsunami modeling, hazards mapping, risk assessment, detection and warning
Tsunami ModelingGround rupture mapping
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Table top analysis Data on impacts
(aerial surveys, literature)
Topographic map and remote sensing interpretation
Surface Geology
interpretation Collaboration w/
RS agencies Preliminary
modeling (lahar, tsunami)
LAHARZ modeling (Iverson & others, 1998; Schilling, 1998).
Tsunami modeling for prediction of arrival time, inundation extent
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Field validation and sampling for laboratory analyses Including interviews of
residents in surveyed areas
Trenchingg Data processing (including
possible remodeling w/ new field survey data)
Generation of Hazard Maps/Deposit Maps
S-wall
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
www.phivolcs.dost.gov.ph
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
N th L1. Northern Luzon2. Central Luzon3. Infanta4. Guinayangan5. Bondoc Peninsula6. Masbate Island7. Leyte Island8. Eastern Mindanao1:50,000 scale
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
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3Regional Maps: Region I | CAR l Region II | Region III | Region IV A | Region IV B | Region V | Region VI and Region VII | Region VIII | Region IX | Region X | Region XI | Region XII | Region XIII
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Other Seismic Hazard Maps (Regional Scale)
Liquefaction Prone Map
Ground Shaking Hazard Map Tsunami Vulnerability Map
Landslide Prone Map
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Valley Fault Maps: Alabang | Alvarez | Bagumbayan | Diliman |Marikina | Metro Manila | Montalban |Muntinlupa | Pasig | Remedios |San Mateo | San Pedro | San Rafael | Sun Valley | TaguigValley Fault Map Index
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
1:10,000 scale
Regional Maps:Region I Region II Region III Region IV-A Region IV-BRegion V Region VI & VII Region VIII Region IX
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Region XRegion XI Region XII Region XIII
Regional scale
Liquefaction Susceptibility Map of the PhilippinesLiquefaction Hazard Map of Metro Manila
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Liquefaction Hazard Map of Metro Manila
Liquefaction Susceptibility Map of the Philippines
TSUNAMI RISK MITIGATION PROGRAM: Hazard Mapping Component
1. Produced tsunami hazard maps in coastal areas in the Philippines, and updated national tsunami information database;
A. Nation-wide (1:50,000 scale) 467 sheets
B. Regional (1:10,000 scale) or larger
Utilized PHIVOLCS-developed Rapid Earthquake Damage Assessment System (REDAS) software to compute for the tsunami wave heights and inundation.
Dr. Yuichiro Tanioka -tsunami wave height Dr. Modesto Ortiz - tsunami inundation.
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4Liquefaction Susceptibility Map of the PhilippinesLiquefaction Hazard Map of Metro Manila
1:50,000 scale
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
The Tsunami Hazard Maps was produced under the Department of Science and Technology-Grant-In-Aid Program (DOST-GIA) in December 2007.
,
Region I Ilocos Norte Ilocos Sur La Union PangasinanRegion II Batanes Cagayan IsabelaRegion III Aurora Bataan ZambalesRegion IV-A Batangas Cavite QuezonRegion IV-B Mindoro Island PalawanRegion V Albay Camarines Norte Camarines Sur Catanduanes Sorsogon
Region VI Aklan Antique Guimaras Iloilo Negros Occidental
Region VII Bohol Negros Oriental Siquijor
R i VIII E t S N th S L t I l dRegion VIII Eastern Samar Northern Samar Leyte Island
Region IX Zamboanga City Zamboanga del Norte Zamboanga del Sur Zamboanga Sibugay
Region X Camiguin Lanao del Norte
Region XI Davao del Sur Davao Oriental
Region XII Sarangani South Cotabato Sultan Kudarat
Region XIII Surigao del Norte Surigao del Sur
ARMM Basilan Lanao del Sur Maguindanao Sulu Tawi Tawi
READY PROJECT COMPONENT # 1:Multi-hazard Mapping and Assessment
1:50,000 scale
Flood (MGB), rain-triggered landslide (MGB), storm surge (PAGASA)
Ground rupture, ground shaking, liquefaction, p g g qearthquake-triggered landslide, tsunami (PHIVOLCS)
Volcanic hazards (PHIVOLCS)
1:10,000
Rain-triggered landslide (MGB), flood (PAGASA)
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
20111. Ilocos Norte2. Ilocos Sur3 Ab
20081. Bohol2. Aurora3. Cavite
PROVINCES COVERED
20091. Northern Samar2. Eastern Samar3. Zambales
2011 (Desktop)1. Agusan del Sur2. Nueva Viscaya3. Cagayan 4. Zamboanga Sibugay5. Quirino
3. Abra4. Benguet5. Catanduanes
4. Pampanga5. Laguna
20101. Antique
ongoing2. Iloilo - ongoing
20071. Southern Leyte 2. Leyte
2006 1. Surigao del Sur2. Surigao del Norte
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PROVINCE GR GS EIL LIQ TSU VOLC
Surigao del Sur*
Surigao del Norte*
Southern Leyte **
Leyte **
Bohol***
Aurora***
Cavite***
Pampanga***
Laguna***Laguna
Northern Samar****
Eastern Samar****
Zambales****
Antique Ongoing Ongoing Ongoing Ongoing Ongoing
Iloilo Ongoing Ongoing Ongoing Ongoing Ongoing
Ilocos Norte Ongoing Ongoing Ongoing Ongoing Ongoing
Ilocos Sur Ongoing Ongoing Ongoing Ongoing Ongoing
Abra Ongoing Ongoing Ongoing Ongoing Ongoing
Benguet Ongoing Ongoing Ongoing Ongoing Ongoing
Catanduanes Ongoing Ongoing Ongoing Ongoing Ongoing
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Liquefaction Susceptibility Map of the PhilippinesLiquefaction Hazard Map of Metro Manila
1:50,000 scale
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
1:50,000 scale
COMPONENT # 1: Multi-hazard Mapping and Assessment in Zambales Province
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5Ground Rupture Liquefaction
COMPONENT # 1: Multi-hazard Mapping and Assessment in Cavite Province
No Volcanic Threat except ASHFALL
Ground ShakingEarthquake-induced
Landslide
Tsunami
Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
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Earthquake Impact Reduction Study for Earthquake Impact Reduction Study for Metropolitan Manila (MMEIRS) Metropolitan Manila (MMEIRS) March 2004March 2004
Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
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West West Valley Valley F ltF lt
ModelModel MM CharacteristicsCharacteristics
08 08 West West Valley FaultValley Fault
7.27.2 Severe DamageSevere Damage
13 13 Manila Manila TrenchTrench
7.97.9 TsunamiTsunami
FaultFault
ManilaManilaTrenchTrench
Worst case for Manila Trench has since changed to 8.2
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
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Ground RuptureGround Rupture
Surface Geology of Metro ManilaSurface Geology of Metro Manila
East Valley FaultEast Valley Fault
Surface Surface GeologyGeology
Quezon CityMarikina CityPasig CityMakati CityTaguig CityMuntinlupa City
Earthquake Impact Reduction Study for Earthquake Impact Reduction Study for Metropolitan Manila (MMEIRS)Metropolitan Manila (MMEIRS)
yy
West Valley FaultWest Valley Fault
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Ground Rupture Hazard in Quezon CityEarthquake Impact Reduction Study for Metropolitan Manila (MMEIRS)Earthquake Impact Reduction Study for Metropolitan Manila (MMEIRS)
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Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
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Intensity DistributionIntensity Distribution(PHIVOLCS Earthquake(PHIVOLCS EarthquakeIntensity Scale Intensity Scale PEIS)PEIS)
IntensityIntensity(PEIS)(PEIS)
IXIXVIIIVIIIVIIIVIII
Makati
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6Liquefaction PotentialLiquefaction PotentialHighRelatively HighRelatively LowLow
Makati
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Fire outbreak by Fire outbreak by electrical short electrical short circuit;circuit;
ffM k ti Explosion of Explosion of petroleum, gas petroleum, gas tanks may cause tanks may cause spreading of firespreading of fire
LPG Refilling LPG Refilling StationStation
Makati
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
WestWest Fire, Building DamageFire, Building Damage
NorthNorth Bridge DamageBridge Damage
SouthSouth Bridge DamageBridge Damage
EastEast Building Damage, Bridge Building Damage, Bridge
DamageDamage
3326/8/2011Technical Workshop on Support to Local Government to Improve Environmental Management in Southeast
Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Model 13 (Manila Trench)Model 13 (Manila Trench) Average height 2 mAverage height 2 m Maximum. 4 mMaximum. 4 mMaximum. 4 mMaximum. 4 m Arrival time ~ 1 hourArrival time ~ 1 hour
Model 08 (West Valley Fault)Model 08 (West Valley Fault) Would not occurWould not occur
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Heavily damaged or collapsedHeavily damaged or collapsed / Partially damaged/ Partially damaged
Residential houses13% (168,300 houses)Residential houses13% (168,300 houses)26% (339,800 houses)26% (339,800 houses)
Government buildings . 8 Government buildings . 8 10% 10% / 20 / 20 25%25%1010 30 t b ildi 11%30 t b ildi 11% / 27%/ 27% 1010--30 storey buildings .11% 30 storey buildings .11% / 27%/ 27%
3030--60 storey buildings..2%60 storey buildings..2% / 12%/ 12%
FireFire Total 500 fire outbreakTotal 500 fire outbreak
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Damage to LifelineDamage to Lifeline
water supply pipes.... 4,000 pointswater supply pipes.... 4,000 points electrical cables cut... 30 electrical cables cut... 30 kmskms telephone cables cut 95 telephone cables cut 95 kmskms
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
pp Cellular phone services affected due to cell site damagesCellular phone services affected due to cell site damagesBridges .. 9 collapsedBridges .. 9 collapsedWharf . Damage at North and Wharf . Damage at North and
South portSouth port
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7From Building CollapseFrom Building Collapse
Death.33,500 personsDeath.33,500 persons Injured114,000Injured114,000
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
From FireFrom FireDeath.18,000Death.18,000
PINATUBO ASHFALL HAZARD MAP
KANLAON LAVA FLOW HAZARD MAP
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
PINATUBO PYROCLASTIC FLOW HAZARD MAP
TAAL BASE SURGE HAZARD MAP
Revised Mayon Volcano Lahar Hazard Map
This Lahar Hazard Map is based on historical datasets and LAHARZ modeling results using parameters of the 2006 Supertyphoon Reming event on the October 2009 Digital Elevation Model (DEM) provided by JAXA through Sentinel Asia. (July 2010)
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2009 Lava Flow Monitoring at Mayon Volcano
ALOS Dec 25, 2009Lava Flow: 4.4km
NASA EO-1 Dec 15, 2009 Lava Flow: 3.0km
TERRASAR Dec 19, 2009Lava Flow : 3.2km
Source: Japan Aerosspace Exploration Agency (JAXA)/Sentinel Asia Project
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Asia_PHIVOLCS Hazard Mapping Program- 08.22.2011
Lava Volume Estimation from October 2009 and Dec 25, 2009 ALOS DEMSBASED ON adjusted DEMLava flow (Dec 25, 2009)Length = 4.3km from SummitArea = 673,200 m2Volume = 6,209,200 assume neg value are 5m
BASED ON RAW DEMLava flow (Dec 25, 2009)Length = 4.3km from SummitArea = 673,200 m2Volume = 2,658,900 assume neg value are 0s
THICKNESS (m)
THICKNESS (m)
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8Department of Science and TechnologyDepartment of Science and TechnologyPhilippine Institute of Philippine Institute of VolcanologyVolcanology and Seismologyand Seismology
Tel: (+632) 426-1468 to 79 Fax: (+632) 929-8366
Come visit us atPHIVOLCS Bldg., C. P. Garcia AvenueUniversity of the Philippines Campus
Diliman, Quezon City
or atwww.phivolcs.dost.gov.ph